在毛主席关于“农业的根本出路在于机械化”的光辉思想指引下,在农业学大寨、普及大寨县的大好形势下,在省科委和武汉冶金设计研究所的指导下,我们发扬“独立自主、自力更生”的精神,从一九七四年开始,经过多次反复试验,先后仿制了15台超低量电动喷雾器和改制了20个东方红—18型背负式喷雾机的超低量喷头。一年来经过小面积的治虫试验和 Under the guidance of Chairman Mao’s brilliant idea of ​​“The fundamental way for agriculture lies in mechanization”, under the great circumstances of the agricultural Dazhai and popularization of Dazhai County, under the guidance of the Provincial Science Committee and the Wuhan Institute of Metallurgical Design, we carry forward " The spirit of independence, self-reliance, and self-reliance began in 1974. After repeated trials, 15 ultra-low-volume electric atomizers and 20 ultra-low-volume nozzles for the Dongfanghong-18 knapsack sprayer were imitated. . A small area of ​​pest control trials and